I am having a difficult time centered the helical path (the equation curve) and lofting the two profiles (centered) through the helical path in the axial rotation direction..
View 5 RepliesI am trying to recreate and 3D model the impeller of a heartmate II LVAD (URL....) but I am having problems with the sweep along the helical path. The profile is the vertical line and the path is the helix. I want to use a surface output for now. I had to use Solidworks to generate a variable pitch helix and import into Inventor.
View 2 Replies View RelatedI am attempting to model an internal 1/8"-27 NPT thread, both the through hole and the tapered part of the hole are modeled, but after I draw the helix and the polygon and orient the polygon to the helix correctly, (or even if I don't, I have tried it) it keeps saying unable to sweep object. I am using Sweep with Alignment with the No option. If I select the polygon first, then click sweep, it works, but rotates the polygon so that what I get ends up looking nothing like a thread profile.
I have tried reducing the polygon radius down to a ridiculously small value, thinking it might have been interference due to a possible trig miscalculation, but with no success, still have the same issue. FYI, I am using a .037" turn height for 27 TPI and a polygon radius of .0214", with a helix small end radius of .177" and large end radius of .189".
Im struggling coming up with a loft or sweep to get the design effect I need. see on the pic how the profile terminates to a point.
View 4 Replies View RelatedI work at a car seat company, and we are just now, starting to draw in Inventor. I have problems drawing the seat belt. Here is my first try:
I have tampered with this one! From this angle it looks ok, but it isn't right. I have tried using Loft and Sweep, but with no good results! The seat belt is static in the shown position, but should be able to adjust onto another seat.
Following on from my post regarding a sheet metal component that was unable to create a flat pattern due to creating the component in an assembly; URL....I have found out that it wasn't the in place component that was the problem it seems to be the loft and sweep feature that cause this problem. I have thought about using the extrude feature (as this works) to create the shape and then cutting the ends to get the angles I want but that would be time consuming.
I have set up the sheet metal rule to be 3mm mild steel, any way creating this component and being able to create a flat pattern.
I am practicing modelling 3D sweeps using an intersection curve, and tried to insert a swept cut on the attached model, but the ends are not circular. I assume this is because the plane which I drew the sweep profile on is not on the top face. Is there an easy way to rectify this and create the semicircular channel in the ends?
View 3 Replies View RelatedI want to sweep a I-beam along a 3d sketch to create a conveyor. I will be using different shapes at times so the profile won't always have the same shape, sometimes a small I-beam or a large one or possibly square tubing.
I know I can create the profile and dimension it but is there an easy way to import the profiles from Frame Generator into the sketch or another way without having to create and dimension the sketch? Or is this one of those tasks you just can't avoid?
How can I do the loft and sweep in acad 2000?
View 1 Replies View RelatedIs it possible to sweep a solid along a 3d sketched line path to cut a groove / slot? This is like milling a slot in material on a milling machine so the cutter goes along a path removing material.
I can draw a rectangle that represents the side plane of a slot type cutter and this works but in the corners it is not working like a round cutter and leaves sharp corners which then need filleting to finish, but also I am not sure if it is cutting exactly as if a solid round/cylinder cutter would.
I am trying to sweep a profile throughout the helical sweep path which is a series of 3d sketches. The sweet prifile sweeps correctly to the first 3d sketch profile but whin I select the second line the preview is gone and Inventor gives me an error saying the sweep cannot be done. how I can have the sweep done throughout the helical structure.Attached is the ipt file.
View 3 Replies View RelatedIs there some way to get the overall length of a sweep path?
We are creating a 3D sketch to run a pipe cross section along and for the final material we need to know what the LF is.
Inventor Pro 2013 (PDS Ultimate)
Vault Pro 2013
Windows 7 64
Xeon 2.4 Ghz 12GB
I am using Inventor 2012. I am trying to sweep the pink shape around the pink rectangle but I get a weird result. Can I not sweep around a rectangle from the center? See attachment. I want to add more to the shape but when I do the result gets weirder.
View 2 Replies View RelatedI have a project I'm working on which requires a sweep path to be a graphical parametric mathematical function in x, y and z.
ex:
x=1.25*sin(10*t)
y=sin(t)*(12+1.25*cos(10*t))+12
z=cos(t)*(12+1.25*cos(10*t))
(this curve is a groove in the surface a bicycle tire. It spirals around several times and gets subtracted from a solid torus)
I was using an old version of NX I-DEAS and this task was easily accomplished with the "function spline" feature. Is anything like this possible in Inventor? I know I could create a list of points in excel, but I'd really prefer not to.
I encountered problem when using sweep (path&guide surface)
It was enable to give you preview option (which is a surface that i wanted) but when i hit OK. It gives error as the text box.I tried again to no avail.
I have a sweep that follows the shape of the path sketch, but the sweep itself is made to the right of the sketch. How can I get it to fall directly on the path? I have attached a picture of the sweep as well.
HP Z400 Workstation
Intel Xeon @ 3.33GHz
12.0 GB RAM
Windows 7 64-bit
Inventor Pro 2014
When preparing an assembly for export to a Revit family, all features need to be recognized as Revit features. I have a part which consists of a sweep with a 3D path, 2 planar sketches projected to a 3D surface to be precise. To make matters worse, it's a sweep whose end meets it's own beginning (the intent of this specific model is to just satisfy a shape, not necessarily reflect the way it's going to be produced). To date I have not found a way to have this sweep feature recognized as a Revit feature, be it as a single feature or multiple. I am running Inventor Professional 2014 on Windows 8 64-bit.
View 2 Replies View Relatednot sure why I'm having trouble using the blue "path" layers polyline path to loft the profiles and form the c-clamp.
View 2 Replies View RelatedHow to loft the aerofoil where the red line is its path/guide and the blue line is the end of the loft and it's a thin.
View 4 Replies View RelatedI am a newbie just start learning how to use AutoCAD in both 2D and 3D.
I have drawn a 3D polyline, and putting two circles with different diameters on both end, trying to loft it and create a horn-shaped like object.
For some reason, AutoCAD keeps complaining the path I selected is not valid, and so I can't do the loft operation. However, I have 'tested' the path with sweep function, and it works.
I have a tunnel profile that I need to sweep around a path. This path is a 3D Polyline but it has arcs and slope associated with it. The sweep command has this automatic banking or twisting to it that just screws everything up. The profile needs to stay perpendicular to the path and the floor of this tunnel needs to remain flat.
I have attached the actual working drawing. It has the profile (which is a simple typical tunnel) and the path all situated.I'm working in AutoCAD 2012 if that really matters.
I am trying to loft a triangle around the path of a helix. I want the top point of the triangle to be facing in such that the ouside surface is flat (in the veritcal direction) for the entire helix and I have the two triangle cross sections oriented to do as much. Whenever I try loft it, autocad associates sides of the triangle that aren't supposed to connect causing the triangle to twist along the path. Is there a way that I can easily tell autocad which sides I want to connect?
View 1 Replies View Related the use of the LOFT command with circular sections along a polyline path?
Experiment 04 Loft and Path.dwg
Experiment 04 Loft and Path-Layout1.jpg
I have 2 rectangles and i want to loft them by path.I want the path to be arc , but i cant draw the arc in isometric view. The objects are positioned something like thes 2 smiles. One is exactly above the other and i want to draw arc to connect them and then use loft but cant make the arc. I tried to draw the arc in Front view, but i then i couldnt use it as loft path.So how to make the arc in 3d?
View 9 Replies View RelatedI'm trying to do a 3d curve stair rail. I had the 3d spline path, I had the polyline rail profile, but after I sweep the profile, it end up being twisted at the end of the rail. Same problem happens when I did a sweep using a helix path, imagine a vertically placed rectangular profile at one end of the path then after using sweep command, the other end was somehow twisted on a certain degree. How can I avoid this twisting problem
See the before and after image. I wanted the rectangle profile to remain vertical throughout the whole sweep
Is there a way to sweep a 3d polyline in AutoCAD 2012? Colleague has a sweep path that he wants to put radii in the corners. I know that in the past you could not do it. I didn't see anything in any post that told me otherwise.
View 3 Replies View RelatedI have been trying to convert this surface (attached file) into a closed volume. But somehow it isnt working.Then I tried to create this figure myself by creating two circles (one at the top and the other at the bottom) and then creating the path for using the sweep command , but it gives a error " sweep produces self intersecting curves".
convert this surface in to a sloid volume or if thats not possible can this geometry be created to the nearest possible approximation.
I have this part that need to be extrude along a complex path. However, every time i try this the bottom of the part does not stay parallel the the x-axis.
Here is the drawing:
Curved Stair.dwg
I'm building a test track to use on a driving simulator.I'm trying to apply banking to the corners. The track's path is a loft with it's path defined as a line, and the loft shape is a rectangle to represent the cross section of the track. I'm trying to apply banking to the corner by using a different shape part way along the loft... however, the result is that the track twists the wrong way so that the top of the track becomes the side and vice versa.
[URL]
Autodesk 3DS Max 2012 Student Version
I have a sheetmetal assembly with helical shaped parts. I need to place about 50 little brackets and some corresponding rollers along the length of these helical pieces. The spacing is even so a pattern would be perfect, except I don't know how to get it to follow the shape of the part. The brackets are located to slots in the helical parts which were made with a rectangular pattern in the unfolded state. I tried to do a "feature pattern select" but it only saw the rectangular pattern as it is in the unfolded state (a straight line). I then gave up on patterns and started working on manually mating them into place but realized that the geometry of the slot was distorted (theory) and didn't leave me with any useable surfaces.
View 9 Replies View RelatedI need an ipart for helical gear.
View 9 Replies View Related